List of largest wastewater treatment plants

The largest wastewater treatment plants can be defined in several ways.
The largest in term of capacity, both during dry and wet-weathers, is the Jean-R.-Marcotte Wastewater Treatment Plant in Montreal. With full secondary treatment of effluents it would be the Deer Island Waste Water Treatment Plant of Boston. In terms of area occupied it is by far Melbourne's Western Treatment Plant.

Plant name City Country Opening

Year

 Dry-weather

capacity (m³ per day)

 Wet-weather

capacity (m³ per day)

 Area

(km²)

 Notes
Jean-R.-Marcotte Wastewater Treatment Plant[1] Montreal  Canada 1984 2 780 000 7 600 000 0.67 Secondary treatment planned for 2021[2].
Detroit Wastewater Treatment Plant[3] Detroit  USA 1940 2 460 000 6 435 000 0.53 Wet-weather secondary treatment capacity limited to 3 520 000 m³/day.
Stickney Water Reclamation Plant[4] Chicago  USA 1930 2 665 000[5] 5 450 000[6] 1.67
Deer Island Waste Water Treatment Plant Boston  USA 1968 1 438 000 4 542 000 0.6[7] Full secondary treatment since 1995.
Blue Plains Advanced Wastewater Treatment Plant[8] Washington D.C.  USA 1937 1 450 000 4 073 000 0.62 Secondary treatment since 1959.
Atotonilco de Tula Plant[9] Mexico City  Mexico 2015 2 000 000 3 000 000
Hyperion Sewage Treatment Plant[10] Los Angeles  USA 1925 1 041 000 3 000 000 0.81 Wet-weather secondary treatment (since 1950) capacity limited to 1 821 000 m³/day.
Kuryanovo wastewater treatment facilities[11] Moscow  Russia 1950 2 200 000
Seine Aval Wastewater Treatment Plant[12] Paris  France 1940 1 460 000 2 900 000 8
Shanghai Zhuyan I Wastewater Treatment Plant[13] Shanghai  China 2004 1 700 000
Stonecutters Island Sewage Treatment[14] Hong Kong  China 2001 2 765 000[15]
Bailonggang Wastewater Treatment Plant Shanghai  China 1999 2 000 000
Gabal el Asfar Wastewater Treatment Plant Cairo  Egypt 1 700 000 2 500 000[16] 1.63
Beckton Sewage Treatment Works London  UK 1864 2 330 000 1
Morigasaki Water Reclamation Center[17] Tokyo  Japan 1966 1 540 000 0.41
Western Treatment Plant Melbourne  Australia 1897 485 000 105[18]

Wastewater treatment capacities are expressed in cubic meters per day. 1000 cubic meters is 1 ML (mega liter). The area occupied by the plants are in square kilometers.

See also

References
  1. "La Station d'épuration Jean-R. Marcotte". ville.montreal.qc.ca (in French). Retrieved 2016-08-06.
  2. Bruemmer, Rene (2018-03-02). "Montreal's ozonation plant facing delays — and questions". Montreal Gazette. Retrieved 2018-09-21.
  3. "Detroit WWTP NPDES Fact Sheet". www.michigan.gov. State of Michigan. Retrieved 2016-08-06.
  4. Tarantola, Andrew (2011-09-30). "Chicago's Stickney Wastewater Treatment Plant Is the Crappiest Place on Earth". gizmodo.com. Retrieved 2016-08-05.
  5. "Water Reclamation Plants". www.mwrd.org. Retrieved 2016-08-06.
  6. "MWRDGC". www.mwrd.org. Retrieved 2018-05-21.
  7. Shirley, Jolene S. "Boston Harbor Pipe Dreams Come True! USGS Visits the Deer Island Sewage Treatment Plant and a Cleaner Harbor". soundwaves.usgs.gov. Retrieved 2016-08-14.
  8. Blue Plains Advanced Wastewater Treatment Plant (brochure) (PDF) (Report). Washington, D.C.: DC Water. 2016.
  9. "Atotonilco Wastewater Treatment Project". Water Technology. Retrieved 2016-08-06.
  10. "Hyperion Water Reclamation Plant". www.lacitysan.org. Retrieved 2016-08-06.
  11. "Курьяновские очистные сооружения.php" (in Russian). Retrieved 2019-01-26.
  12. Service public de l'assainissement francilien (2013). "Usine d'épuration Seine aval" (PDF) (in French). Retrieved 2016-08-06.
  13. "Grundfos is part of the world's second largest wastewater treatment plant | Grundfos". www.grundfos.com. Retrieved 2016-08-05.
  14. "Treating Hong Kong's wastewater". www.abb.ca. Retrieved 2016-08-06.
  15. "Stonecutters Island Sewage Treatment Works, Hong Kong". www.biwater.com. Retrieved 2016-08-06.
  16. "ACCIONA awarded contract for Africa's largest WWTP". www.acciona.com. 2013-11-14. Retrieved 2016-08-05.
  17. Bureau of Sewerage Tokyo Metropolitan. "Morigasaki Water Reclamation Center" (PDF). www.asianhumannet.org. Retrieved 2016-08-06.
  18. "Western Treatment Plant - Melbourne Water". www.melbournewater.com.au. Retrieved 2017-01-03.
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